{
  "manageEntity": {
    "action": "Repost",
    "entityId": "750405916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1da008eca6140dc6105319879bfd3932e993ece40033595edfb3c61859ec8c1e",
    "signature": "0x740d9d1b89ed3def95f7c0499aff5391e6271fcf593b2e8a12b95ee4c284c21d492f2c26e6b1d5cc0c6d1ff1ccc0cb87243225fea5d2f731fc54d430ff4cc3151b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}